AS1170 datasheet(2/53 Pages) OSRAM

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AS1170

Table of contents

Datasheet

• PUBLIC • Document Feedback

DS001083

• v2-00 • 2024-Feb-05

2 / 53

Table of contents

General description ................................................. 4

1.1

Key benefits & features........................................................... 4

1.2

Applications ............................................................................ 4

1.3

Block diagram ......................................................................... 5

Ordering information ............................................... 5

Pin assignment ........................................................ 6

Absolute maximum ratings ..................................... 7

Electrical characteristics......................................... 8

5.1

I²C specifications .................................................................. 11

5.2

Timing diagrams ................................................................... 12

Typical operating characteristics ......................... 13

Detailed description............................................... 16

7.1

Softstart / soft ramp down ..................................................... 17

7.2

4 MHz / 1 MHz operating mode switching ............................ 17

7.3

Protection and fault detection functions ................................ 18

7.4

Overvoltage protection.......................................................... 18

7.5

Short circuit protection .......................................................... 19

8.1

ChipID register...................................................................... 34

8.2

Current set LED1 register ..................................................... 34

8.3

Current set LED2 register ..................................................... 35

8.4

Low voltage register.............................................................. 36

8.5

Flash timer register ............................................................... 37

8.6

Control register ..................................................................... 39

8.7

Strobe signaling register ....................................................... 40

8.8

Fault register......................................................................... 40

8.9

PWM and indicator register .................................................. 41

8.10

Minimum LED current register .............................................. 43

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